JP2016531404A - High power light emitting diode (LED) lighting device - Google Patents

High power light emitting diode (LED) lighting device Download PDF

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JP2016531404A
JP2016531404A JP2016536045A JP2016536045A JP2016531404A JP 2016531404 A JP2016531404 A JP 2016531404A JP 2016536045 A JP2016536045 A JP 2016536045A JP 2016536045 A JP2016536045 A JP 2016536045A JP 2016531404 A JP2016531404 A JP 2016531404A
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lighting device
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ドゥク−ヨン・キム
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ケーエムダブリュ・インコーポレーテッド
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/68—Details of reflectors forming part of the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • F21K9/69—Details of refractors forming part of the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/105—Outdoor lighting of arenas or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Abstract

高出力ＬＥＤ照明装置が開示される。高出力ＬＥＤ照明装置は、それぞれ行方向に複数のＬＥＤを含む複数のＬＥＤグループが列方向に配列され、各ＬＥＤグループに属するＬＥＤの距離に比べて複数のＬＥＤグループのそれぞれの距離がより広く配置される基板と、基板の前面上のＬＥＤグループ間に位置し、ＬＥＤグループから放出される光を反射することにより配光を形成する複数の反射部と、基板の背面に取り付けられることにより熱を放射する放熱部とを含む。本発明による大容量のＬＥＤ照明装置において、ＬＥＤ素子間の距離が横方向に減少されることにより面積を最小化することができ、ＬＥＤ素子の所望する距離が縦方向に保持されることによりＬＥＤを放熱に有利であるように配置することができる。したがって、高出力ＬＥＤ照明装置の面積を減少させることができるという長所がある。A high power LED lighting device is disclosed. In the high-power LED lighting device, a plurality of LED groups each including a plurality of LEDs in the row direction are arranged in the column direction, and each of the plurality of LED groups is arranged wider than the distance of the LEDs belonging to each LED group. Between the LED substrate and the LED group on the front surface of the substrate, and a plurality of reflecting portions that form a light distribution by reflecting the light emitted from the LED group, and heat attached by being attached to the back surface of the substrate And a radiating heat dissipation part. In the large-capacity LED lighting apparatus according to the present invention, the area can be minimized by reducing the distance between the LED elements in the horizontal direction, and the desired distance of the LED elements is maintained in the vertical direction. Can be arranged to be advantageous for heat dissipation. Therefore, there is an advantage that the area of the high-power LED lighting device can be reduced.

Description

本発明は、高出力発光ダイオード（ＬＥＤ）照明装置に関し、運動場のような広い面積を照明することができる高出力ＬＥＤ照明装置に関する。   The present invention relates to a high-power light-emitting diode (LED) illumination device, and more particularly to a high-power LED illumination device capable of illuminating a wide area such as a playground.

一般的に、野球場、サッカー場、複合スポーツ施設などのような屋外での競技場は、照明タワーを有する。このような照明タワーは、競技が行われる運動場を照明するためには、少なくとも８００ワットの出力を有する照明タワーが要求され、大きな電力を消費する。   Generally, outdoor stadiums such as baseball fields, soccer fields, complex sports facilities, etc. have lighting towers. Such a lighting tower requires a lighting tower having an output of at least 800 watts in order to illuminate a playground where a competition takes place, and consumes a large amount of power.

最近では、運動場の照明の電力消費を減少させるためには、ＬＥＤ照明を使用する技術が開発されている。   Recently, in order to reduce the power consumption of athletic field lighting, techniques using LED lighting have been developed.

２０１０年１月２７日に公開された韓国特許出願公開第１０−２０１０−０００９４２３号明細書（ＬＥＤランプを使用する運動場用照明装置）は、ＬＥＤランプを使用する運動場用照明装置を開示する。上述した公開公報の技術的な構成は、上下左右に整列された複数の挿入溝を有するボディーと、ボディーの挿入溝に挿入されるＬＥＤ素子と、放熱板と、循環冷却器とを含む。   Korean Patent Application Publication No. 10-2010-0009423 published on Jan. 27, 2010 (an illuminating device for an athletic field using an LED lamp) discloses an illuminating device for an athletic field using an LED lamp. The technical configuration of the above-mentioned publication includes a body having a plurality of insertion grooves arranged vertically and horizontally, an LED element inserted into the insertion groove of the body, a heat sink, and a circulation cooler.

しかしながら、このような構成において、０．２乃至０．５ワットを有するＬＥＤ素子の１つの出力を考慮して、８００ワット以上の照明を提供するためには、１６００個乃至４０００個のＬＥＤ素子が設置されなければならない。必要なＬＥＤ素子の数を減少させるためには、１ワットの高出力ＬＥＤ素子が使用されるとしても、８４０個のＬＥＤ素子が使用されなければならない。   However, in such a configuration, considering the output of one of the LED elements having 0.2 to 0.5 watts, in order to provide illumination of 800 watts or more, 1600 to 4000 LED elements are required. Must be installed. In order to reduce the number of LED elements required, 840 LED elements must be used even if 1 watt high power LED elements are used.

韓国特許出願公開第１０−２０１０−０００９４２３号に従う照明装置では、ＬＥＤ素子ごとに対応する挿入溝が備えられなければならないので、照明装置の面積が非常に大きくなるという問題点があった。   In the illuminating device according to Korean Patent Application Publication No. 10-2010-0009423, there is a problem that the area of the illuminating device becomes very large because an insertion groove corresponding to each LED element must be provided.

また、ＬＥＤ素子から放出される熱を放射するために、循環冷却器は、照明設置に設置されなければならない。したがって、低電力照明は、循環冷却器で消費される電力を考慮してなされることができない。さらに、照明装置のサイズが増加し、製造費用が増加するという問題点があった。   Moreover, in order to radiate the heat emitted from the LED element, the circulation cooler must be installed in the lighting installation. Therefore, low power illumination cannot be made taking into account the power consumed by the circulating cooler. Furthermore, there is a problem that the size of the lighting device increases and the manufacturing cost increases.

韓国特許出願公開第１０−２０１０−０００９４２３号Korean Patent Application Publication No. 10-2010-0009423

本発明の目的は、少なくとも上述した問題点及び／又は不都合に取り組み、少なくとも以下の便宜を提供することにある。すなわち、本発明の目的は、簡素な構造及び小さなサイズを有し、運動場用照明として適切な配光を提供する高出力ＬＥＤ照明装置を提供することにある。   An object of the present invention is to address at least the above-mentioned problems and / or disadvantages and to provide at least the following conveniences. That is, an object of the present invention is to provide a high-power LED illumination device that has a simple structure and a small size, and provides a suitable light distribution as illumination for a sports field.

上記のような目的を達成するために、本発明の実施形態の一態様によれば、高出力ＬＥＤ照明装置が提供される。高出力ＬＥＤ照明装置は、それぞれ行方向に複数のＬＥＤを含む複数のＬＥＤグループが列方向に配列され、各ＬＥＤグループに属するＬＥＤの距離に比べて複数のＬＥＤグループのそれぞれの距離がより広く配置される基板と、上記基板の前面上のＬＥＤグループ間に位置し、上記ＬＥＤグループから放出される光を反射することにより配光を形成する複数の反射部と、上記基板の背面に取り付けられることにより熱を放射する放熱部とを含むことを特徴とする。   In order to achieve the above object, according to one aspect of an embodiment of the present invention, a high-power LED lighting device is provided. In the high-power LED lighting device, a plurality of LED groups each including a plurality of LEDs in the row direction are arranged in the column direction, and each of the plurality of LED groups is arranged wider than the distance of the LEDs belonging to each LED group. And a plurality of reflecting portions which are located between the LED group on the front surface of the substrate and which form a light distribution by reflecting light emitted from the LED group, and are attached to the back surface of the substrate And a heat dissipating part that radiates heat.

本発明による大容量のＬＥＤ照明装置において、ＬＥＤ素子間の距離が横方向に減少されることにより面積を最小化することができ、ＬＥＤ素子の所望する距離が縦方向に保持されることによりＬＥＤを放熱に有利であるように配置することができる。したがって、高出力ＬＥＤ照明装置の面積を減少させることができるという長所がある。   In the large-capacity LED lighting apparatus according to the present invention, the area can be minimized by reducing the distance between the LED elements in the horizontal direction, and the desired distance of the LED elements is maintained in the vertical direction. Can be arranged to be advantageous for heat dissipation. Therefore, there is an advantage that the area of the high-power LED lighting device can be reduced.

また、本発明による高出力ＬＥＤ照明装置において、ＬＥＤ照明装置の設置位置から遠い距離にある運動場を直接に照明するための配光を形成することができる反射板が使用される。反射板は、複数のＬＥＤを含むＬＥＤグループに共通で設置されるようにすることにより、ＬＥＤ照明装置の面積の増加を防止することができるという長所がある。   Moreover, in the high-power LED lighting device according to the present invention, a reflector capable of forming a light distribution for directly illuminating a sports field at a distance far from the installation position of the LED lighting device is used. The reflector is advantageous in that it can prevent an increase in the area of the LED lighting device by being commonly installed in an LED group including a plurality of LEDs.

さらに、本発明によるＬＥＤ照明装置において、反射板に直交する方向に形成されたレンズパターンが使用されることにより、運動場の照明として適合した背光を提供することができるという長所がある。   Further, the LED illumination device according to the present invention has an advantage that a back light suitable as illumination for a sports field can be provided by using a lens pattern formed in a direction orthogonal to the reflector.

本発明の実施形態の上述した及び他の様相、特徴、及び利点は、以下の添付図面を併用した後述の詳細な説明から、より一層明らかになる。   The foregoing and other aspects, features, and advantages of embodiments of the present invention will become more apparent from the following detailed description, taken in conjunction with the accompanying drawings.

本発明の望ましい実施形態による高出力ＬＥＤ照明装置の構成を示す平面図である。1 is a plan view illustrating a configuration of a high-power LED lighting device according to a preferred embodiment of the present invention. 図１のＡ−Ａ’線によるＬＥＤ照明装置の断面図である。It is sectional drawing of the LED lighting apparatus by the A-A 'line of FIG. 図１のＢ−Ｂ’線によるＬＥＤ照明装置の一部断面図である。It is a partial cross section figure of the LED lighting apparatus by the B-B 'line of FIG. 本発明の垂直配光パターンを示すシミュレーションの結果を示すグラフである。It is a graph which shows the result of the simulation which shows the perpendicular | vertical light distribution pattern of this invention. 本発明の他の実施形態による高出力ＬＥＤ照明装置を示す断面図である。It is sectional drawing which shows the high output LED illuminating device by other embodiment of this invention. 本発明の他の実施形態による高出力ＬＥＤ照明装置を示す断面図である。It is sectional drawing which shows the high output LED illuminating device by other embodiment of this invention. 本発明の水平配光パターンを示すシミュレーションの結果を示すグラフである。It is a graph which shows the result of the simulation which shows the horizontal light distribution pattern of this invention. 本発明に適用される突出光学パターンの例をそれぞれ示す断面図である。It is sectional drawing which shows the example of the protrusion optical pattern applied to this invention, respectively. 本発明に適用される突出光学パターンの例をそれぞれ示す断面図である。It is sectional drawing which shows the example of the protrusion optical pattern applied to this invention, respectively.

以下、本発明の高出力ＬＥＤ照明装置は、添付の図面を参照して詳細に説明する。   Hereinafter, the high-power LED lighting device of the present invention will be described in detail with reference to the accompanying drawings.

図１は、本発明の実施形態による高出力ＬＥＤ照明装置の構成を示す平面図であり、図２は、図１のＡ−Ａ’線によるＬＥＤ照明装置の断面図であり、図３は、図１のＢ−Ｂ’線によるＬＥＤ照明装置の一部断面図である。   FIG. 1 is a plan view showing a configuration of a high-power LED lighting device according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the LED lighting device along line AA ′ of FIG. 1, and FIG. It is a partial cross section figure of the LED lighting apparatus by the BB 'line | wire of FIG.

図１乃至図３を参照すると、本発明の実施形態による高出力のＬＥＤ照明装置は、基板１００と、基板１００に複数の行及び列に配列され、列方向の距離より狭い行方向の距離を有し、列方向に第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０を形成するＬＥＤ素子と、ＬＥＤグループ１１０乃至１６０の間に位置することにより狭い配光パターンを形成する反射板２００と、基板１００の背面に取り付けられることにより、第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０の熱を放出する放熱部３００とを含む。   Referring to FIGS. 1 to 3, a high-power LED lighting device according to an embodiment of the present invention is arranged in a plurality of rows and columns on a substrate 100, and has a narrower distance in the row direction than a distance in the column direction. And a narrow light distribution pattern is formed by being positioned between the LED elements 110 to 160 and the LED elements that form the first to sixth LED groups 110, 120, 130, 140, 150, and 160 in the column direction. And a heat radiating part 300 that emits heat from the first to sixth LED groups 110, 120, 130, 140, 150, 160 by being attached to the back surface of the substrate 100.

以下では、上述したように構成される本発明の望ましい実施形態による高出力ＬＥＤ照明装置の構成及び動作についてより詳細に説明する。   Hereinafter, the configuration and operation of the high-power LED lighting device according to the preferred embodiment of the present invention configured as described above will be described in more detail.

まず、複数のＬＥＤは、マトリックス形態で基板１００上に配列され、行方向のＬＥＤは、列方向のＬＥＤに比べて狭い距離を有する。列方向において、ＬＥＤは、６列に配列され、第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０を構成する。   First, the plurality of LEDs are arranged on the substrate 100 in a matrix form, and the LEDs in the row direction have a narrower distance than the LEDs in the column direction. In the column direction, the LEDs are arranged in six columns and constitute first to sixth LED groups 110, 120, 130, 140, 150, 160.

例えば、１ワットのＬＥＤ素子を使用する場合に、約８４０個のＬＥＤが使用されなければならず、第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０は、１４０個のＬＥＤで構成される。   For example, when a 1 watt LED element is used, about 840 LEDs must be used, and the first to sixth LED groups 110, 120, 130, 140, 150, and 160 are 140 pieces. Consists of LEDs.

このとき、第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０は、相互に一定の距離で離隔することにより、放熱が迅速に行われることができる。また、第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０の各々に属するＬＥＤは、製造上許容する最小の距離で配列することにより、全面積を減少させることができる。   At this time, the first to sixth LED groups 110, 120, 130, 140, 150, and 160 are spaced apart from each other by a certain distance, so that heat can be quickly radiated. Further, the LEDs belonging to each of the first to sixth LED groups 110, 120, 130, 140, 150, and 160 can be arranged at a minimum distance allowed in manufacturing, thereby reducing the total area.

これは、限定された面積内で複数のＬＥＤが配列される時に放熱効果の低下を防止することができる。   This can prevent a reduction in the heat dissipation effect when a plurality of LEDs are arranged within a limited area.

反射板２００は、第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０の間と第１のＬＥＤグループ１１０の上部及び第６のＬＥＤグループ１６０の下部に備えられる。第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０の上部及び下部に配置される反射板２００は、第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０の縦方向に相互に通じる。   The reflector 200 is provided between the first to sixth LED groups 110, 120, 130, 140, 150, and 160, above the first LED group 110, and below the sixth LED group 160. The reflectors 200 disposed above and below the first to sixth LED groups 110, 120, 130, 140, 150, 160 are the first to sixth LED groups 110, 120, 130, 140, 150, 160 communicate with each other in the vertical direction.

反射板２００は、第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０のそれぞれから放出される光を反射する湾曲側面を有し、これにより、狭い幅を有する配光パターンの光を提供する。配光パターンは、本発明のＬＥＤ照明装置が設けられる位置から遠い距離の運動場を適切に照明することができるようにする。   The reflector 200 has a curved side surface that reflects light emitted from each of the first to sixth LED groups 110, 120, 130, 140, 150, and 160, and thereby a light distribution pattern having a narrow width. Provide the light. The light distribution pattern makes it possible to appropriately illuminate a motion field far from the position where the LED lighting device of the present invention is provided.

反射板２００は、基板１００に直接に固定される。   The reflector 200 is directly fixed to the substrate 100.

図４は、本発明の第１のＬＥＤグループ１１０の垂直配光パターンを示すシミュレーションの結果を示すグラフである。   FIG. 4 is a graph showing the results of simulation showing the vertical light distribution pattern of the first LED group 110 of the present invention.

放熱部３００は、基板１００の背面に設けられ、複数の放熱フィン３１０が含まれ、放熱フィン３１０が垂直方向に相互に平行するように配列され、これにより、気流形成空間３２０が放熱フィン３１０の間で定義される。これらは、気流が上下に円滑に対流できるようにすることにより放熱効率を向上させることができる。   The heat dissipating unit 300 is provided on the back surface of the substrate 100, includes a plurality of heat dissipating fins 310, and is arranged so that the heat dissipating fins 310 are parallel to each other in the vertical direction. Defined between. These can improve the heat radiation efficiency by allowing the airflow to smoothly convect up and down.

上述したように、本発明は、複数のＬＥＤのそれぞれが行方向に高密度に配列されている第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０を形成し、各ＬＥＤグループの単位で第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０に反射板を適用することにより、すべてのＬＥＤの各々に反射板を設ける従来の技術に比べて照明装置の面積を減少させることができる。   As described above, the present invention forms the first to sixth LED groups 110, 120, 130, 140, 150, 160 in which the plurality of LEDs are arranged with high density in the row direction, and each LED is formed. By applying a reflector to each of the first to sixth LED groups 110, 120, 130, 140, 150, and 160 in units of groups, a lighting device as compared with the conventional technique in which a reflector is provided for each of all LEDs. The area of can be reduced.

図５及び図６は、本発明の他の実施形態による高出力ＬＥＤ照明装置を示す断面図である。   5 and 6 are cross-sectional views illustrating a high-power LED lighting device according to another embodiment of the present invention.

図５は、レンズ４００が図２の構成に適用されるＬＥＤ照明装置を示す断面図であり、図６は、レンズ４００が図３の構成に適用されるＬＥＤ照明装置を示す断面図である。   FIG. 5 is a cross-sectional view showing an LED lighting device in which the lens 400 is applied to the configuration of FIG. 2, and FIG. 6 is a cross-sectional view showing the LED lighting device in which the lens 400 is applied to the configuration of FIG.

レンズ４００は、反射板２００の上部に固定され、行方向に長い長さを有する。レンズ４００は、反射板２００に直交する列方向に延長する突出光学パターン４１０を有する。突出光学パターン４１０は、第１乃至第６のＬＥＤグループ１１０，１２０，１３０，１４０，１５０，１６０から放出される光を集め、これにより、運動場の照明としてより適合した背光を形成する。   The lens 400 is fixed to the upper part of the reflecting plate 200 and has a long length in the row direction. The lens 400 has a protruding optical pattern 410 that extends in a column direction orthogonal to the reflecting plate 200. The protruding optical pattern 410 collects the light emitted from the first to sixth LED groups 110, 120, 130, 140, 150, 160, thereby forming a back light that is more suitable as illumination for the playing field.

図７は、第１のＬＥＤグループ１１０の水平配光パターンを示すシミュレーションの結果を示すグラフである。図７を参照すると、レンズ４００を有するＬＥＤ照明装置は、両側面間の距離を狭めることにより集中した配光パターンを形成することができる。   FIG. 7 is a graph showing the result of simulation showing the horizontal light distribution pattern of the first LED group 110. Referring to FIG. 7, the LED lighting device having the lens 400 can form a concentrated light distribution pattern by narrowing the distance between both side surfaces.

突出光学パターン４１０は、断面が半円形状で形成され、図８及び図９に示すように、突出光学パターン４１０の他の実施形態では、断面が三角形又は四角形の形状を有する。突出光学パターン４１０は、必要に応じて、様々な形状を有する突出光学パターン４１０が適用され、本発明は、突出光学パターン４１０の形状により制限されない。   The protruding optical pattern 410 has a semicircular cross section. As shown in FIGS. 8 and 9, in another embodiment of the protruding optical pattern 410, the cross section has a triangular or quadrangular shape. As the protruding optical pattern 410, the protruding optical pattern 410 having various shapes is applied as necessary, and the present invention is not limited by the shape of the protruding optical pattern 410.

以上、本発明を具体的な実施形態を参照して詳細に説明してきたが、本発明の範囲及び趣旨を逸脱することなく様々な変更が可能であるということは、当業者には明らかであり、本発明の範囲は、上述の実施形態に限定されるべきではなく、特許請求の範囲の記載及びこれと均等なものの範囲内で定められるべきものである。   Although the present invention has been described in detail with reference to specific embodiments, it will be apparent to those skilled in the art that various modifications can be made without departing from the scope and spirit of the invention. The scope of the present invention should not be limited to the embodiments described above, but should be defined within the scope of the appended claims and their equivalents.

１００ 基板
１１０ 第１のＬＥＤグループ
１２０ 第２のＬＥＤグループ
１３０ 第３のＬＥＤグループ
１４０ 第４のＬＥＤグループ
１５０ 第５のＬＥＤグループ
１６０ 第６のＬＥＤグループ
２００ 反射板
３００ 放熱部
３１０ 放熱フィン
３２０ 気流形成空間
４００ レンズ
４１０ 突出光学パターン DESCRIPTION OF SYMBOLS 100 Board | substrate 110 1st LED group 120 2nd LED group 130 3rd LED group 140 4th LED group 150 5th LED group 160 6th LED group 200 Reflector 300 Heat radiation part 310 Heat radiation fin 320 Airflow formation Space 400 Lens 410 Projecting optical pattern

Claims (3)

それぞれ行方向に複数のＬＥＤを含む複数のＬＥＤグループが列方向に配列され、各ＬＥＤグループに属するＬＥＤの距離に比べて前記複数のＬＥＤグループのそれぞれの距離がより広く配置される基板と、
前記基板の前面上のＬＥＤグループ間に位置し、前記ＬＥＤグループから放出される光を反射することにより配光を形成する複数の反射部と、
前記基板の背面に取り付けられることにより熱を放射する放熱部と
を有することを特徴とする高出力ＬＥＤ照明装置。 A plurality of LED groups each including a plurality of LEDs in a row direction are arranged in a column direction, and a substrate on which each distance of the plurality of LED groups is arranged wider than a distance of LEDs belonging to each LED group;
A plurality of reflective portions located between the LED groups on the front surface of the substrate and forming a light distribution by reflecting light emitted from the LED groups;
A high-power LED lighting device comprising: a heat radiating portion that radiates heat by being attached to the back surface of the substrate. 前記反射部にレンズの底面が接するように設置され、前記複数のＬＥＤグループをより狭くする前記レンズをさらに有することを特徴とする請求項１に記載の高出力ＬＥＤ照明装置。   The high-power LED illumination device according to claim 1, further comprising the lens that is installed so that a bottom surface of the lens is in contact with the reflecting portion, and further narrows the plurality of LED groups. 前記レンズは、前記反射部に直交する行方向に長い形態で突出する突出光学パターンを含むことを特徴とする請求項２に記載の高出力ＬＥＤ照明装置。   The high-power LED illumination device according to claim 2, wherein the lens includes a protruding optical pattern that protrudes in a long shape in a row direction orthogonal to the reflecting portion.
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